@article{NAM_1918_4_18__445_1,
     author = {Goormaghtigh, R.},
     title = {Sur un probl\`eme concernant des groupes de points sur l'hyperbole \'equilat\`ere},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {445--448},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 18},
     year = {1918},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1918_4_18__445_1/}
}